General Formulation of a Perturbation Theory for Unsteady Cavity Flows PDF Download
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Author: D. P. Wang
Publisher:
ISBN:
Category : Cavitation
Languages : en
Pages : 22
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Book Description
The problem of a two-dimensional cavity flow of an ideal fluid with small unsteady disturbances in a gravity free field is considered. By regarding the unsteady motion as a small perturbation of an established steady cavity flow, a fundamental formulation of the problem is presented. It is shown that the unsteady disturbance generates a surface wave propagating downstream along the free cavity boundary, much in the same way as the classical gravity waves in water, only with the centrifugal acceleration owing to the curvature of the streamlines in the basic flow playing the role of an equivalent gravity effect. As a particularly simple example, the surface waves in a hollow potential vortex flow is calculated by using the present theory. (Author).
Author: D. P. Wang
Publisher:
ISBN:
Category : Cavitation
Languages : en
Pages : 22
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Book Description
The problem of a two-dimensional cavity flow of an ideal fluid with small unsteady disturbances in a gravity free field is considered. By regarding the unsteady motion as a small perturbation of an established steady cavity flow, a fundamental formulation of the problem is presented. It is shown that the unsteady disturbance generates a surface wave propagating downstream along the free cavity boundary, much in the same way as the classical gravity waves in water, only with the centrifugal acceleration owing to the curvature of the streamlines in the basic flow playing the role of an equivalent gravity effect. As a particularly simple example, the surface waves in a hollow potential vortex flow is calculated by using the present theory. (Author).
Author: Duen-Pao Wang
Publisher:
ISBN:
Category :
Languages : en
Pages : 148
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Book Description
Author: Jean-Pierre Franc
Publisher: Springer Science & Business Media
ISBN: 1402022336
Category : Science
Languages : en
Pages : 321
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Book Description
This book treats cavitation, which is a unique phenomenon in the field of hyd- dynamics, although it can occur in any hydraulic machinery such as pumps, propellers, artificial hearts, and so forth. Cavitation is generated not only in water, but also in any kind of fluid, such as liquid hydrogen. The generation of cavitation can cause severe damage in hydraulic machinery. Therefore, the prevention of cavitation is an important concern for designers of hydraulic machinery. On the contrary, there is great potential to utilize cavitation in various important applications, such as environmental protection. There have been several books published on cavitation, including one by the same authors. This book differs from those previous ones, in that it is both more physical and more theoretical. Any theoretical explanation of the cavitation phenomenon is rather difficult, but the authors have succeeded in explaining it very well, and a reader can follow the equations easily. It is an advantage in reading this book to have some understanding of the physics of cavitation. Therefore, this book is not an introductory text, but a book for more advanced study. However, this does not mean that this book is too difficult for a beginner, because it explains the cavitation phenomenon using many figures. Therefore, even a beginner on cavitation can read and can understand what cavitation is. If the student studies through this book (with patience), he or she can become an expert on the physics of cavitation.
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 1572
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Book Description
Author: Maurice Holt
Publisher: Elsevier
ISBN: 0323159494
Category : Science
Languages : en
Pages : 239
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Book Description
Basic Developments in Fluid Dynamics, Volume 2 focuses on the developments, approaches, methodologies, reactions, and processes involved in fluid dynamics, including sea motion, wave interactions, and motion of spheres in a viscous fluid. The selection first offers information on inviscid cavity and wake flows and weak-interaction theory of ocean waves. Discussions focus on steady and unsteady cavity flows, radiation balance, theory of weak interactions in random fields, interactions between gravity waves and the atmosphere, and interactions within the ocean. The text then examines low Reynolds number flows, including fundamentals, expansion procedures, stokes in flow solutions, flows with a free surface, and compressible flows. The selection is a dependable source of information for graduate students, research workers, and readers interested in fluid dynamics.
Author:
Publisher:
ISBN:
Category : Engineering
Languages : en
Pages : 2036
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Book Description
Author: Christopher E. Brennen
Publisher: Cambridge University Press
ISBN: 1107644763
Category : Mathematics
Languages : en
Pages : 269
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Book Description
Cavitation and Bubble Dynamics deals with fundamental physical processes of bubble dynamics and cavitation for graduate students and researchers.
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1654
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Book Description
Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 1776
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Book Description
Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 780
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Book Description
